<?php
/**
 * MIT License
 *
 * Copyright (c) 2021 DIGITAL RETAIL TECHNOLOGIES SL
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to http://www.prestashop.com for more information.
 *
 *  @author    DIGITAL RETAIL TECHNOLOGIES SL <mail@simlachat.com>
 *  @copyright 2021 DIGITAL RETAIL TECHNOLOGIES SL
 *  @license   https://opensource.org/licenses/MIT  The MIT License
 *
 * Don't forget to prefix your containers with your own identifier
 * to avoid any conflicts with others containers.
 */

class RetailcrmCatalogHelper
{
    const ICML_INFO_NAME = 'RETAILCRM_ICML_INFO';

    public static function getIcmlFileDate()
    {
        $date = null;
        $filePath = self::getIcmlFilePath();
        if (!file_exists($filePath) || ($fileHandler = fopen($filePath, 'r')) === false) {
            return false;
        }

        while ($line = fgets($fileHandler)) {
            if (false !== strpos($line, 'yml_catalog date=')) {
                preg_match_all('/date="([\d\- :]+)"/', $line, $matches);
                if (2 == count($matches)) {
                    $date = $matches[1][0];
                }
                break;
            }
        }

        fclose($fileHandler);

        return DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $date);
    }

    public static function getIcmlFileLink()
    {
        return _PS_BASE_URL_SSL_ . '/' . self::getIcmlFilename();
    }

    public static function getIcmlFileName()
    {
        $isMultiStoreActive = Shop::isFeatureActive();
        $shop = Context::getContext()->shop;

        if ($isMultiStoreActive) {
            $icmlFileName = 'simla_' . $shop->id . '.xml';
        } else {
            $icmlFileName = 'simla.xml';
        }

        return $icmlFileName;
    }

    public static function getIcmlFilePath()
    {
        return _PS_ROOT_DIR_ . '/' . self::getIcmlFileName();
    }

    public static function isIcmlFileLinkActual()
    {
        $api = RetailcrmTools::getApiClient();
        if (empty($api)) {
            return null;
        }

        $reference = new RetailcrmReferences($api);
        $site = $reference->getSite();

        if (empty($site)) {
            return null;
        }

        $newYmlUrl = RetailcrmCatalogHelper::getIcmlFileLink();

        RetailcrmLogger::writeDebug(
            __METHOD__, sprintf(
                'Comparing %s and %s: %s',
                $newYmlUrl,
                $site['ymlUrl'],
                $newYmlUrl === $site['ymlUrl'] ? 'true' : 'false'
            )
        );

        return $newYmlUrl === $site['ymlUrl'];
    }

    /**
     * @param int $productsCount
     * @param int $offersCount
     */
    public static function setIcmlFileInfo($productsCount, $offersCount)
    {
        $icmlInfo = [
            'productsCount' => $productsCount,
            'offersCount' => $offersCount,
        ];
        Configuration::updateValue(self::ICML_INFO_NAME, (string) json_encode($icmlInfo));
    }
}